Icon/logo/image with distinctive category...

Error:

Icon/logo/image '{0}' is being used at multiple locations within the file using a distinctive category.

Explanation:

An asset (image) can only be provided with 1 category. In this error message, the same filename has been used several times, but with different categories.

Solution:

Make sure that the same filename contains the same category. Find the filename in the import file and change the corresponding category if necessary.